The worst 2018 International Workstar problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 9
Electrical system: wiring
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2016-2017 International TranStar, 2017-2019 International ProStar, International LoneStar, 2017-2020 International DuraStar, WorkStar, and 2018-2019 IC Bus HC Commercial buses. The heating, ventilation, and air-conditioning (HVAC) blower motor circuit may have an insufficient wiring terminal that can overheat.
- Risk
- An overheated electrical circuit can increase the risk of a fire.
- Remedy
- Dealers will replace the HVAC blower motor load circuit wiring terminal, free of charge. Owner notification letters are expected to be mailed June 5, 2023. Owners may contact Navistar's customer service at 1‑800‑448‑7825. Navistar's number for this recall is 23510.
Recall number 23V248000 · Recall details
Fuel system, diesel: fuel injection system: fuel rail
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2018-2019 International WorkStar, International DuraStar, 2019-2021 International HV, International MV, and IC Bus RE Commercial Bus vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
- Risk
- A fuel leak in the presence of an ignition source increases the risk of a fire.
- Remedy
- Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Navistar customer service at 1‑800‑448‑7825.
Recall number 21V366000 · Recall details
Engine and engine cooling: engine: engine control module (ecu/ECM): software
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2019-2021 International MV, 2020-2021 International HV, 2014-2020 International DuraStar and 2015-2018 International WorkStar vehicles. When the parking brake is applied and the automatic transmission is still in the drive or reverse position and the stationary PTO switch is engaged by the operator, the engine may rev and overcome the parking brake's ability to keep the vehicle from moving.
- Risk
- Unexpected Vehicle movement can increase the risk of a crash or injury.
- Remedy
- Navistar will notify owners, and dealers will update the parameters in the Cummins ECM for feature codes 12VXT or 12VXU that enables the PTO neutral interlock, free of charge. The recall began February 17, 2021. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 20510.
Recall number 20V810000 · Recall details
Fuel system, diesel: pre-heater
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2017-2020 International WorkStar and International DuraStar, 2018-2019 IC 1300 FBC Commercial and IC HC Commercial, 2018-2021 IC CE Commercial, International MV and International HV, and 2019-2021 IC TC Commercial buses with Cummins B6.7 diesel engines with a fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.
- Risk
- A fire increases the risk of injury. An engine stall can increase the risk of a crash.
- Remedy
- Cummins will notify the affected Navistar customers and dealers will disable the fuel heater by either installing a plug in place of the heater or otherwise rendering the fuel heater inoperable and removing the fuse supplying electrical power to the fuel heater and installing a cover over the wire harness connector, free of charge. The recall began May 28, 2020. Owners may contact Cummins customer service at 1‑800‑286‑6467.
Recall number 20V219000 · Recall details
Engine
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2019-2020 International MV and HV, 2018-2020 Workstar, and 2018-2019 Durastar vehicles equipped with feature codes 12VXT and 12VXU. With the parking brake applied and the automatic transmission in the 'Drive' or 'Reverse' position, when the stationary PTO switch is engaged by the operator, the engine RPM will ramp up and may overcome the parking brake's ability to hold the vehicle.
- Risk
- Unintended vehicle movement increases the risk of a crash.
- Remedy
- Navistar will notify owners, and dealers will update the Engine Control Module to enable the PTO neutral interlock, free of charge. The recall began January 16, 2020. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 19518.
Recall number 19V841000 · Recall details
Exterior lighting: brake lights
- What is wrong
- Custom Fab & Body LLC (Custom Fab & Body) is recalling certain 2018 Ford F-650 XLT Crew Cab, 2017-2018 International 7500 4x4, and 2018 International 7500 4x2, Freightliner M2-112 and M2-106, and Kenworth T-370-based emergency vehicles equipped with Whelen brake lights. Depending on the specific wiring of the vehicle, these brake lights may illuminate when the brake pedal has not been pressed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Risk
- If the brake lights incorrectly illuminate, it can confuse other drivers, possibly increasing the risk of a crash.
- Remedy
- Custom Fab & Body has notified owners, instructing them to contact Whelen for replacement lights, free of charge. The recall began April 11, 2019. Owners may contact Whelen customer service at 1‑860‑526‑9504.
Recall number 19V239000 · Recall details
Fuel system, diesel: pre-heater
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2017-2020 International DuraStar and WorkStar, 2018-2020 IC Bus CECB, International HV and MV, 2018-2019 IC Bus 1300 FBC and HCCB, and 2019-2020 IC Bus TCCB vehicles equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.
- Risk
- A fire increases the risk of injury. An engine stall can increase the risk of crash.
- Remedy
- Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1‑800‑286‑6467 or Navistar customer service at 1‑800‑448‑7825.
Recall number 19V216000 · Recall details
Power train: clutch assembly
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2019 International HV, MV, 2018-2019 HX, LT, RH, LoneStar, ProStar, WorkStar, and 2018 TranStar automated manual transmission vehicles, equipped with certain Eaton ECA heavy-duty truck clutches. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.
- Risk
- Unintended vehicle movement can increase the risk of a crash.
- Remedy
- Navistar will notify owners, and dealers will recalibrate the Transmission Control Module (TCM), free of charge. The recall began January 18, 2019. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 18518.
Recall number 18V826000 · Recall details
Seat belts: front: anchorage
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2018-2019 International WorkStar, DuraStar, LoneStar, LT, ProStar, RH and IC Bus HC, 2018 International TranStar, 2019 International HV and MV trucks and transit buses. The front driver and passenger seat belt anchor D-ring bolt may break in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."
- Risk
- If the D-ring bolt breaks during a crash, the seat occupant may not be properly restrained, increasing their risk of injury.
- Remedy
- Navistar has notified owners, and dealers will replace the D-ring bolt depending on the information found on the seat belt label, free of charge. The recall began May 23, 2018. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 18505.
Recall number 18V293000 · Recall details
Technical service bulletins for the 2018 International Workstar 191
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This article provides guidance to dealership personnel, Technical Services personnel, Dealer Service...
- This document aims to enable technicians to: 1. Accurately identify third generation MaxxForce medium duty...
- This article only applies to Models w/ 0016UZL Built Between 06/23/2014 – 05/11/2020 OR Models w/ 0016UZL...
- New CARB Idle Reduction Change Request
- This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files
- This document provides guidance for assessing the feasibility of implementing a customer-requested change...
- This article is intended to provide information for how to program International Engines that have been...
- Engine replacements for all International engines will need to follow this procedure.
- This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle...
- This document provides: Steps to take when switch pack programming fails, or when switch pack disappears...
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Questions about the 2018 International Workstar
Is the 2018 International Workstar reliable?
Owners have filed 0 complaints about the 2018 International Workstar.
What is the most common problem with the 2018 International Workstar?
There are not enough complaints to tell.
How many recalls does the 2018 International Workstar have?
9 recalls, covering electrical system, fuel system, diesel and engine and engine cooling.
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